基于STM32的FM收发器的设计选编.doc

毕业设计说明书 2015届 基于STM32的FM收发器的设计 学生姓名 xxxxxx 学 号 xxxxxx 院 系 数理信息学院 专 业 电子信息工程 指导教师 xxxxxx 完成日期 2015年5月25日 基于STM32的FM收发器的设计FM收发器在通讯技术中得到了广泛的使用。 本文提出了一种基于STM32微控制器的FM收发系统，其中包括STM32F103C8T6单片机控制、NOKIA5110液晶显示、4*4矩阵键盘、FM收发模块、音频输入模块、音频滤波器、音频功率放大器。本文对设计开发全数字式控制的FM收发器的各个模块作了详细的硬件原理分析，软件控制以及调试分析，实现了全数字式控制FM接收和发射的频道选择、音量控制、信号强度检测的功能。本文实现的基于STM32的FM收发器为简易的音频收发器，可实现收音机、小功率电台以及半双工对讲机的功能。本系统实现的硬件功耗小，体积小，携带方便，稳定性强，操作方便，是一个实用的多功能FM收发器。 关键词 通信技术；FM收发器；STM32微控制器；音频 THE DESIGN OF FM TRANSCEIVER BASED ON STM32 ABSTRACT With the rapid growth of modern multimedia and communication technology, wireless transceiver technology plays a rising significant role in the modern communication technology, wireless communications transceiver system is dependent on a modulation, demodulation measure efficacious, credible and stable. FM modulation technology is mature, with low cost and strong reliability, thus the FM transceiver has been proverbially applied in radio communication technology. This paper presents a FM transceiver system based on STM32 MCU, including STM32F103C8T6 MCU control module, NOKIA5110 LCD, 4*4 matrix keyboard, FM transceiver module, audio input module, audio filter and power amplifier. In this paper, design and development of each module of the digital control FM transceiver is analyzed with the principle of hardware, program domination and debug, actualizes the channel selection, volume control and signal strength detection function of digital control FM receiving and transmitting. The implementation of FM transceiver based on STM32 is a simple audio transceiver, which can realize radiogram, small power radio set and half duplex intercom function. The hardware implementation of the system is of low power consumption, tiny bulk, handy, high steadiness and easy manipulation, which is a practical multifunctional FM transceiver. KEY WORDS Communication Technology; FM Transceiver; STM32